March of the Machine

Assimilate Essence | Instant | | Counter target creature or battle spell unless its controller pays {4}. If they do, you incubate 2. (Create an Incubator token with two +1/+1 counters on it and "{2}: Transform this artifact." It transforms into a 0/0 Phyrexian artifact creature.) | Konstantin Porubov

Disturbing Conversion | Enchantment | Aura | Flash Enchant creature When Disturbing Conversion enters the battlefield, each player mills two cards. Enchanted creature gets -X/-0, where X is the number of cards in its controller's graveyard. | Anna Mitura-Laskowska

Expedition Lookout | Creature | Merfolk Rogue | Defender As long as an opponent has eight or more cards in their graveyard, Expedition Lookout can attack as though it didn't have defender and it can't be blocked. | Johan Grenier

Moment of Truth | Instant | | Look at the top three cards of your library. Put one of those cards into your hand, one into your graveyard, and one on the bottom of your library. | Rovina Cai

Negate | Instant | | Counter target noncreature spell. | Viko Menezes

Order of the Mirror | Creature | Human Knight | {3}{W/P}: Transform Order of the Mirror. Activate only as a sorcery. ({W/P} can be paid with either {W} or 2 life.) | Andrew Mar

Saiba Cryptomancer | Creature | Moonfolk Ninja | Flash Backup 1 (When this creature enters the battlefield, put a +1/+1 counter on target creature. If that's another creature, it gains the following ability until end of turn.) Hexproof | Aaron J. Riley

Stasis Field | Enchantment | Aura | Enchant creature Enchanted creature has base power and toughness 0/2, has defender, and loses all other abilities. | Jinho Bae

Zhalfirin Shapecraft | Instant | | Target creature has base power and toughness 4/3 until end of turn. Draw a card. | Aldo Domínguez

Aetherblade Agent | Creature | Human Rogue | Deathtouch {4}{U/P}: Transform Aetherblade Agent. Activate only as a sorcery. ({U/P} can be paid with either {U} or 2 life.) | Alexander Mokhov